Atmel SAM4L-EK Atmel ATSAM4L-EK ATSAM4L-EK Data Sheet
Product codes
ATSAM4L-EK
156
42023E–SAM–07/2013
ATSAM4L8/L4/L2
11.6.11
Backup Pin Muxing Register
Name: BKUPPMUX
Access Type:
Read/Write
Offset: 0x0030
Reset Value:
0x00000000
• BKUPPMUX: Backup Pin Muxing
Map a peripheral function required in Backup mode to a dedicated pad.
Each bit in this register corresponds to an alternate function associated to a pin, according to
.
0: The corresponding backup pin is not selected.
1: The corresponding backup pin is selected.
31
30
29
28
27
26
25
24
-
-
-
-
-
-
-
-
23
22
21
20
19
18
17
16
-
-
-
-
-
-
-
-
15
14
13
12
11
10
9
8
-
-
-
-
-
-
-
BKUPPMUX[8]
7
6
5
4
3
2
1
0
BKUPPMUX[7:0]
Table 11-5.
Backup Pin Muxing
Bit
Backup Pin Name
Alternate function
0
PB01
EIC[0]
1
PA06
EIC[1]
2
PA04
EIC[2]
3
PA05
EIC[3]
4
PA07
EIC[4]
5
PC03
EIC[5]
6
PC04
EIC[6]
7
PC05
EIC[7]
8
PC06
EIC[8]
31-9
-
-